UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WCKLUNIOMWWAWAEMYCi27B0cjXsts9gJBnCiKpn+Fmo=' 
WHERE 
  key_id = 'cb14dcacf857f8d98c0e000a559ddc60f300b4e781779dc55d51ebbd616dda76' 
  AND (
    token = 'WCKLUNIOMWWAWAEMYCi27B0cjXsts9gJBnCiKpn+Fmo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )